Used Okamoto PSG52DX Surface Grinder

Author：JINYI Date：2026-06-06

This used Okamoto PSG52DX surface grinder is a Japanese precision grinding machine with 550 x 220 mm grinding travel, 47.5 to 397.5 mm table-to-wheel distance, 200 kg maximum workpiece capacity, and a 205 x 19 x 50.8 mm grinding wheel size. It is suitable for mold inserts, precision plates, tooling components, electronic parts fixtures, medical device components, aerospace tooling, and automotive die work. Stock number 812246 is in stock, available for inspection, and offers a cost-effective way to add usable grinding capacity without waiting through a new-machine delivery cycle.

Stock Status and buying value

The Okamoto PSG52DX surface grinder listed here is a used precision surface grinding machine for sale under stock number 812246. For factories that need reliable flatness, parallelism, and surface finish capability on small to medium workpieces, an in-stock machine can reduce the time between the purchasing decision and actual production use. Instead of planning around a long lead time for new equipment, buyers can inspect the actual machine, confirm the key grinding movements, and arrange shipment after the commercial decision is made.

This machine fills the common production gap between manual finishing and larger grinding equipment. Its 550 x 220 mm working travel is practical for die shoes, mold plates, punch and die components, guide blocks, precision shims, small fixtures, and hardened tooling parts. The 200 kg workpiece capacity gives production teams enough loading margin for dense steel components while keeping the machine focused on precision work rather than oversized parts.

For production managers and tooling engineers, the buying value depends on how well the PSG52DX matches everyday part sizes. If most grinding jobs fall within the 550 mm length and 220 mm width range, this used Okamoto surface grinder can support multiple departments, including toolroom correction, mold making, repair grinding, small-batch component finishing, and pre-assembly flatness work. It is not limited to one product family and can handle many recurring precision grinding tasks across a plant.

Key Specifications and Production Readiness

The PSG52DX is a precision surface grinder built for flat grinding applications where buyers need controlled wheel contact, repeatable table movement, and a practical working envelope for tooling and component finishing. The specifications below should be reviewed not only as machine data, but also as indicators of part compatibility, tooling fit, and expected production flow.

Machine Category	Precision surface grinder
Brand and Model	Okamoto PSG52DX
Country of Origin	Japan
Year	2012
Grinding Travel	550 x 220 mm
Table-to-Wheel Distance	47.5 to 397.5 mm
Maximum Workpiece Weight	200 kg
Grinding Wheel Size	205 x 19 x 50.8 mm
Grinding Wheel Speed	3000 rpm at 50 Hz; 3600 rpm at 60 Hz

What the 550 x 220 mm Travel Means

A 550 x 220 mm grinding travel is well suited to precision tooling and compact production components, rather than very large plates. This working range is useful for mold inserts, automotive die sections, medical device fixtures, aerospace gauge blocks, electronics tooling plates, and general toolroom parts. Buyers should compare this travel with their actual part envelope, including magnetic chuck setup, clamping allowance, dressing clearance, and operator handling space.

Workpiece Capacity and Part Handling

The 200 kg maximum workpiece weight allows the machine to handle substantial steel parts within its grinding area. This is important for mold making and die repair because parts with a small footprint can still be heavy when made from tool steel. For production planning, this capacity supports one-off tooling correction, batch finishing of smaller components, and regrinding of fixture surfaces when the workpiece weight stays within the specified limit.

Wheel Size and Grinding Speed

The 205 x 19 x 50.8 mm grinding wheel size should be checked against the buyer’s preferred abrasive specification and part material. The listed wheel speeds of 3000 rpm at 50 Hz and 3600 rpm at 60 Hz give factories a clear reference when comparing this machine with their local power supply. This is especially important when shipping the machine to a plant operating under either 50 Hz or 60 Hz electrical conditions.

Frequently Asked Questions

Is the used Okamoto PSG52DX surface grinder currently in stock?

Yes. This machine is listed under stock number 812246 and is presented as an in-stock used Okamoto PSG52DX surface grinder available for inquiry, inspection, and shipment planning.

What production work is this Okamoto PSG52DX best suited for?

It is suitable for precision flat grinding of small to medium tooling and components, including mold inserts, die parts, fixture plates, gauge blocks, electronics tooling, medical device fixtures, and aerospace or automotive tooling parts within the 550 x 220 mm travel.

What should I check first during inspection?

Start by confirming the grinding travel, table movement, table-to-wheel distance, spindle running condition, wheel mounting size, and whether your heaviest expected workpiece is within the 200 kg maximum capacity.

Can this machine handle heavy tool steel components?

It can handle workpieces up to 200 kg, provided the part size also fits the 550 x 220 mm grinding travel and the setup height fits within the 47.5 to 397.5 mm table-to-wheel distance range.

How do I know if the wheel speed fits my factory?

The specified wheel speed is 3000 rpm at 50 Hz and 3600 rpm at 60 Hz. Buyers should compare these values with the destination plant’s power frequency and grinding wheel requirements before confirming purchase fit.

Why consider this used surface grinder instead of waiting for new equipment?

If the listed working envelope matches your parts, an in-stock used surface grinder can add grinding capacity sooner. This is valuable when tooling, mold repair, fixture correction, or finishing work is already delaying production.